Research Shows Zero-Calorie Sweeteners Can Raise Blood Sugar

The artificial sweeteners in diet soda, yogurt and other foods consumed by millions can raise the blood sugar level instead of reducing it, according to new experiments in mice and people.

The provocative finding—made possible through a new avenue of research—is likely to stoke the simmering controversy over whether artificial sweeteners help or hinder people’s ability to lose weight and lower their risk of diabetes.